The International Electrotechnical Commission has published the IEC 62282-4-101 standard. IEC 62282-4-101 ed. 1.0 applies to “Fuel cell technologies – Part 4-101: Fuel cell power systems for propulsion other than road vehicles and auxiliary power units (APU) – Safety of electrically powered industrial trucks.” The standard is available for purchase on the IEC website.
“IEC 62282-4-101:2014 covers safety requirements for fuel cell power systems intended to be used in electrically powered industrial trucks. This standard is limited to electrically powered industrial trucks and is applicable to material-handling equipment, e.g. forklifts. It applies to gaseous hydrogen-fuelled fuel cell power systems and direct methanol fuel cell power systems for electrically powered industrial trucks.”
*Description from IEC website